Tikz

Electrical Circuits

RC filter

\usepackage{circuitikz}

...

\begin{tikzpicture}
    \draw (0,0)
    to[R, l=$R$,-] (3,0)
    to[C, l=$C$, *-] (3,-2)
    to[short](3,-2)   node [ground] {};
    %input
    \draw (-0.5,0)
    to[short, l_=$V_{in}$](-0.5,-2)   node [ground] {};
    \draw (-0.5,0) coordinate[inputarrow,rotate=90];
    % output
    \draw (4,0)
    to[short, l=$V_{out}$](4,-2)   node [ground] {};
    \draw (4,0) coordinate[inputarrow,rotate=90];
\end{tikzpicture}

• List of circuits: vincentchoqueuse/analog_circuits_tikz

Plot

Bode Diagram

\usepackage{tikz}
\usepackage{pgfplots}
\usepackage{caption}
\usepackage{subcaption}

...

\begin{figure}
\centering
    \begin{subfigure}{.5\textwidth}
        \centering
        \begin{tikzpicture}
            \begin{loglogaxis}[xlabel=$\omega$, ylabel={$|H(j\omega)|$},xmin=1, xmax=100000,ymin=0.01, grid=both]
            \addplot[domain=1:100000, red, thick]{0.333*(sqrt(4e-06*x*x +1))/sqrt(4.444e-07*x*x +1)};
            \end{loglogaxis}
        \end{tikzpicture}
        \caption{Module}
    \end{subfigure}%
    \begin{subfigure}{.5\textwidth}
        \centering
        \begin{tikzpicture}
            \begin{semilogxaxis}[xlabel=$\omega$, ylabel={$\arg[H(j\omega)]$},xmin=1, xmax=100000,ymin=0, ymax=60, grid=both]
            \addplot[domain=1:100000, red, thick]{atan(0.002*x)-atan(0.00066*x)};
            \end{semilogxaxis}
        \end{tikzpicture}
        \caption{Argument}
    \end{subfigure}
\caption{Diagramme de Bode}
\end{figure}